Home / 89,212.97-133,819.68-30,090.17

Finding the Fourth Proportional to 89,212.97, 133,819.68 and 30,090.17

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Solution

The fourth proportional to 89,212.97, 133,819.68 and 30,090.17 is: 45,135.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,212.97 : 133,819.68 = 30,090.17 : x
  2. Step 2: Convert to fraction form
    89,212.97/133,819.68 = 30,090.17/x
  3. Step 3: Cross multiply
    89,212.97x = 133,819.68 × 30,090.17
  4. Step 4: Simplify right side
    89,212.97x = 4,026,656,251.45
  5. Step 5: Solve for x
    x = 4,026,656,251.45/89,212.97
  6. Step 6: Final answer
    x = 45,135.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.